Undermount sink basin



FIG. 1 is a front, raised perspective view of an undermount sink basinaccording to the invention;

FIG. 2 is a front view of the undermount sink basin according to FIG. 1;

FIG. 3 is a rear view of the undermount sink basin according to FIG. 1;

FIG. 4 is left side view of the undermount sink basin according to FIG.1;

FIG. 5 is a right side view of the undermount sink basin according toFIG. 1;

FIG. 6 is a top view of the undermount sink basin according to FIG. 1;and,

FIG. 7 is a bottom side view of the undermount sink basin according toFIG. 1.

The broken lines shown in the drawings form no part of the claimeddesign. The boundary lines shown in the drawings depict an edge of theclaimed subject matter. The surface shading illustrated in the drawingsis provided merely to highlight the contour of the design and is notpart of the claimed design. All surfaces not shown form no part of theclaimed design.

CLAIM The ornamental design for an undermount sink basin, substantiallyas shown and described.